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Finding the Third Proportional to 90,168.19 and 134,637.19

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Solution

The third proportional to 90,168.19 and 134,637.19 is: 201,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,168.19 : 134,637.19 = 134,637.19 : x
  2. Step 2: Convert to fraction form
    90,168.19/134,637.19 = 134,637.19/x
  3. Step 3: Cross multiply
    90,168.19x = 134,637.19 × 134,637.19
  4. Step 4: Simplify right side
    90,168.19x = 18,127,172,257.91
  5. Step 5: Solve for x
    x = 18,127,172,257.91/90,168.19
  6. Step 6: Final answer
    x = 201,037.34

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.